Patents by Inventor Gordon H. Lister

Gordon H. Lister has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Finishing process
    Patent number: 4289496
    Abstract: A finishing process for porous fibrous materials, especially for textiles, especially a dyeing process, in the presence of relatively small amounts of water and a foaming agent, is carried out at a liquor to material ratio of about 0.25:1 to 5:1. This water-saving finishing process leads to equal and level finishings especially important in the dyeing area.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: September 15, 1981
    Assignee: Sandoz Ltd.
    Inventor: Gordon H. Lister
  • Finishing process
    Patent number: 4260389
    Abstract: A finishing process for porous fibrous materials, especially for textiles, especially a dyeing process, in the presence of relatively small amounts of water and a foaming agent, is carried out at a liquor to material ratio of about 0.25:1 to 5:1. This water-saving finishing process leads to equal and level finishings especially important in the dyeing area.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: April 7, 1981
    Assignee: Sandoz Ltd.
    Inventor: Gordon H. Lister